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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2019/06/29 03:27:55 UTC

[GitHub] [skywalking] zeroall opened a new issue #2969: OutOfMemoryError by com.google.common.reflect.ClassPath.from

zeroall opened a new issue #2969: OutOfMemoryError by com.google.common.reflect.ClassPath.from
URL: https://github.com/apache/skywalking/issues/2969
 
 
   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   - [ ] Question or discussion
   - [ x] Bug
   - [ ] Requirement
   - [ ] Feature or performance improvement
   
   ___
   ### Question
   - What do you want to know?
   When I use oapService Init.sh or oapService.sh to start skywalking-collector, the main thread will carton on the org.apache.skywalking.oap.server.core.annotation Annotation Scan.scan method. At this time, CPU, memory are constantly increasing, JVM continues to carry out Full GC, and finally outburst OutOfMemoryError exception. Moving - Xmx to 8G won't help.
   The error message is as follows:
   2019-06-29 11:20:16,826 - org.apache.skywalking.oap.server.starter.OAPServerStartUp - 55 [main] ERROR [] - GC overhead limit exceeded
   java.lang.OutOfMemoryError: GC overhead limit exceeded
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:497) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495) ~[guava-20.0.jar:?]
   
   The complete stack information is as follows:
   "main" #1 prio=5 os_prio=0 tid=0x00002b0ad4014000 nid=0x536f runnable [0x00002b0acece4000]
      java.lang.Thread.State: RUNNABLE
   	at java.io.UnixFileSystem.getBooleanAttributes0(Native Method)
   	at java.io.UnixFileSystem.getBooleanAttributes(UnixFileSystem.java:242)
   	at java.io.File.isDirectory(File.java:849)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:494)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:495)
   	at com.google.common.reflect.ClassPath$DefaultScanner.scanDirectory(ClassPath.java:481)
   	at com.google.common.reflect.ClassPath$Scanner.scanFrom(ClassPath.java:360)
   	at com.google.common.reflect.ClassPath$Scanner.scan(ClassPath.java:345)
   	at com.google.common.reflect.ClassPath$Scanner.scan(ClassPath.java:332)
   	at com.google.common.reflect.ClassPath.from(ClassPath.java:97)
   	at org.apache.skywalking.oap.server.core.annotation.AnnotationScan.scan(AnnotationScan.java:43)
   	at org.apache.skywalking.oap.server.core.CoreModuleProvider.prepare(CoreModuleProvider.java:96)
   	at org.apache.skywalking.oap.server.library.module.ModuleDefine.prepare(ModuleDefine.java:95)
   	at org.apache.skywalking.oap.server.library.module.ModuleManager.init(ModuleManager.java:50)
   	at org.apache.skywalking.oap.server.starter.OAPServerStartUp.main(OAPServerStartUp.java:43)
   ___
   ### Bug
   - Which version of SkyWalking, OS and JRE?
   SkyWalking: 6.1.0
   jdk: 1.8.0_161-b12
   linux: Linux version 3.10.0-957.21.3.el7.x86_64
   - Which company or project?
    
   - What happen?
   If possible, provide a way for reproducing the error. e.g. demo application, component version.
   
   system infos:
   abi.vsyscall32 = 1
   crypto.fips_enabled = 0
   debug.exception-trace = 1
   debug.kprobes-optimization = 1
   debug.panic_on_rcu_stall = 0
   dev.cdrom.autoclose = 1
   dev.cdrom.autoeject = 0
   dev.cdrom.check_media = 0
   dev.cdrom.debug = 0
   dev.cdrom.info = CD-ROM information, Id: cdrom.c 3.20 2003/12/17
   dev.cdrom.info = 
   dev.cdrom.info = drive name:		sr0
   dev.cdrom.info = drive speed:		1
   dev.cdrom.info = drive # of slots:	1
   dev.cdrom.info = Can close tray:		1
   dev.cdrom.info = Can open tray:		1
   dev.cdrom.info = Can lock tray:		1
   dev.cdrom.info = Can change speed:	1
   dev.cdrom.info = Can select disk:	0
   dev.cdrom.info = Can read multisession:	1
   dev.cdrom.info = Can read MCN:		1
   dev.cdrom.info = Reports media changed:	1
   dev.cdrom.info = Can play audio:		1
   dev.cdrom.info = Can write CD-R:		1
   dev.cdrom.info = Can write CD-RW:	1
   dev.cdrom.info = Can read DVD:		1
   dev.cdrom.info = Can write DVD-R:	1
   dev.cdrom.info = Can write DVD-RAM:	1
   dev.cdrom.info = Can read MRW:		1
   dev.cdrom.info = Can write MRW:		1
   dev.cdrom.info = Can write RAM:		1
   dev.cdrom.info = 
   dev.cdrom.info = 
   dev.cdrom.lock = 1
   dev.hpet.max-user-freq = 64
   dev.mac_hid.mouse_button2_keycode = 97
   dev.mac_hid.mouse_button3_keycode = 100
   dev.mac_hid.mouse_button_emulation = 0
   dev.parport.default.spintime = 500
   dev.parport.default.timeslice = 200
   dev.raid.speed_limit_max = 200000
   dev.raid.speed_limit_min = 1000
   dev.scsi.logging_level = 0
   fs.aio-max-nr = 65536
   fs.aio-nr = 0
   fs.binfmt_misc.status = enabled
   fs.dentry-state = 75299	55311	45	0	0	0
   fs.dir-notify-enable = 1
   fs.epoll.max_user_watches = 2514759
   fs.file-max = 655360
   fs.file-nr = 2016	0	655360
   fs.inode-nr = 74224	343
   fs.inode-state = 74224	343	0	0	0	0	0
   fs.inotify.max_queued_events = 16384
   fs.inotify.max_user_instances = 128
   fs.inotify.max_user_watches = 8192
   fs.lease-break-time = 45
   fs.leases-enable = 1
   fs.may_detach_mounts = 1
   fs.mount-max = 100000
   fs.mqueue.msg_default = 10
   fs.mqueue.msg_max = 10
   fs.mqueue.msgsize_default = 8192
   fs.mqueue.msgsize_max = 8192
   fs.mqueue.queues_max = 256
   fs.nr_open = 1048576
   fs.overflowgid = 65534
   fs.overflowuid = 65534
   fs.pipe-max-size = 1048576
   fs.pipe-user-pages-hard = 0
   fs.pipe-user-pages-soft = 16384
   fs.protected_hardlinks = 1
   fs.protected_symlinks = 1
   fs.quota.allocated_dquots = 0
   fs.quota.cache_hits = 0
   fs.quota.drops = 0
   fs.quota.free_dquots = 0
   fs.quota.lookups = 0
   fs.quota.reads = 0
   fs.quota.syncs = 0
   fs.quota.warnings = 1
   fs.quota.writes = 0
   fs.suid_dumpable = 0
   fs.xfs.age_buffer_centisecs = 1500
   fs.xfs.error_level = 3
   fs.xfs.filestream_centisecs = 3000
   fs.xfs.inherit_noatime = 1
   fs.xfs.inherit_nodefrag = 1
   fs.xfs.inherit_nodump = 1
   fs.xfs.inherit_nosymlinks = 0
   fs.xfs.inherit_sync = 1
   fs.xfs.irix_sgid_inherit = 0
   fs.xfs.irix_symlink_mode = 0
   fs.xfs.panic_mask = 0
   fs.xfs.rotorstep = 1
   fs.xfs.speculative_prealloc_lifetime = 300
   fs.xfs.stats_clear = 0
   fs.xfs.xfsbufd_centisecs = 100
   fs.xfs.xfssyncd_centisecs = 3000
   kernel.acct = 4	2	30
   kernel.acpi_video_flags = 0
   kernel.auto_msgmni = 1
   kernel.bootloader_type = 114
   kernel.bootloader_version = 2
   kernel.cad_pid = 1
   kernel.cap_last_cap = 36
   kernel.compat-log = 1
   kernel.core_pattern = core
   kernel.core_pipe_limit = 0
   kernel.core_uses_pid = 1
   kernel.ctrl-alt-del = 0
   kernel.dmesg_restrict = 0
   kernel.domainname = (none)
   kernel.ftrace_dump_on_oops = 0
   kernel.ftrace_enabled = 1
   kernel.hardlockup_all_cpu_backtrace = 0
   kernel.hardlockup_panic = 1
   kernel.hostname = centos0
   kernel.hotplug = 
   kernel.hung_task_check_count = 4194304
   kernel.hung_task_panic = 0
   kernel.hung_task_timeout_secs = 120
   kernel.hung_task_warnings = 10
   kernel.io_delay_type = 0
   kernel.kexec_load_disabled = 0
   kernel.keys.gc_delay = 300
   kernel.keys.maxbytes = 20000
   kernel.keys.maxkeys = 200
   kernel.keys.persistent_keyring_expiry = 259200
   kernel.keys.root_maxbytes = 25000000
   kernel.keys.root_maxkeys = 1000000
   kernel.kptr_restrict = 0
   kernel.max_lock_depth = 1024
   kernel.modprobe = /sbin/modprobe
   kernel.modules_disabled = 0
   kernel.msg_next_id = -1
   kernel.msgmax = 65536
   kernel.msgmnb = 65536
   kernel.msgmni = 24029
   kernel.ngroups_max = 65536
   kernel.nmi_watchdog = 1
   kernel.ns_last_pid = 15058
   kernel.numa_balancing = 0
   kernel.numa_balancing_scan_delay_ms = 1000
   kernel.numa_balancing_scan_period_max_ms = 60000
   kernel.numa_balancing_scan_period_min_ms = 1000
   kernel.numa_balancing_scan_size_mb = 256
   kernel.numa_balancing_settle_count = 4
   kernel.osrelease = 3.10.0-957.21.3.el7.x86_64
   kernel.ostype = Linux
   kernel.overflowgid = 65534
   kernel.overflowuid = 65534
   kernel.panic = 10
   kernel.panic_on_io_nmi = 0
   kernel.panic_on_oops = 1
   kernel.panic_on_stackoverflow = 0
   kernel.panic_on_unrecovered_nmi = 0
   kernel.panic_on_warn = 0
   kernel.perf_cpu_time_max_percent = 25
   kernel.perf_event_max_sample_rate = 100000
   kernel.perf_event_mlock_kb = 516
   kernel.perf_event_paranoid = 2
   kernel.pid_max = 32768
   kernel.poweroff_cmd = /sbin/poweroff
   kernel.print-fatal-signals = 0
   kernel.printk = 4	4	1	7
   kernel.printk_delay = 0
   kernel.printk_ratelimit = 5
   kernel.printk_ratelimit_burst = 10
   kernel.pty.max = 4096
   kernel.pty.nr = 2
   kernel.pty.reserve = 1024
   kernel.random.boot_id = 4dbfdfd1-51c0-47d3-ac5a-317ba84494ee
   kernel.random.entropy_avail = 3484
   kernel.random.poolsize = 4096
   kernel.random.read_wakeup_threshold = 64
   kernel.random.urandom_min_reseed_secs = 60
   kernel.random.uuid = 6afdba8e-f8fd-49fc-8f21-90a302b2a529
   kernel.random.write_wakeup_threshold = 896
   kernel.randomize_va_space = 2
   kernel.real-root-dev = 0
   kernel.sched_autogroup_enabled = 0
   kernel.sched_cfs_bandwidth_slice_us = 5000
   kernel.sched_child_runs_first = 0
   kernel.sched_domain.cpu0.domain0.busy_factor = 32
   kernel.sched_domain.cpu0.domain0.busy_idx = 2
   kernel.sched_domain.cpu0.domain0.cache_nice_tries = 1
   kernel.sched_domain.cpu0.domain0.flags = 559
   kernel.sched_domain.cpu0.domain0.forkexec_idx = 0
   kernel.sched_domain.cpu0.domain0.idle_idx = 0
   kernel.sched_domain.cpu0.domain0.imbalance_pct = 117
   kernel.sched_domain.cpu0.domain0.max_interval = 4
   kernel.sched_domain.cpu0.domain0.max_newidle_lb_cost = 9707
   kernel.sched_domain.cpu0.domain0.min_interval = 2
   kernel.sched_domain.cpu0.domain0.name = MC
   kernel.sched_domain.cpu0.domain0.newidle_idx = 0
   kernel.sched_domain.cpu0.domain0.wake_idx = 0
   kernel.sched_domain.cpu0.domain1.busy_factor = 32
   kernel.sched_domain.cpu0.domain1.busy_idx = 2
   kernel.sched_domain.cpu0.domain1.cache_nice_tries = 1
   kernel.sched_domain.cpu0.domain1.flags = 4143
   kernel.sched_domain.cpu0.domain1.forkexec_idx = 0
   kernel.sched_domain.cpu0.domain1.idle_idx = 1
   kernel.sched_domain.cpu0.domain1.imbalance_pct = 125
   kernel.sched_domain.cpu0.domain1.max_interval = 8
   kernel.sched_domain.cpu0.domain1.max_newidle_lb_cost = 7217
   kernel.sched_domain.cpu0.domain1.min_interval = 4
   kernel.sched_domain.cpu0.domain1.name = DIE
   kernel.sched_domain.cpu0.domain1.newidle_idx = 0
   kernel.sched_domain.cpu0.domain1.wake_idx = 0
   kernel.sched_domain.cpu1.domain0.busy_factor = 32
   kernel.sched_domain.cpu1.domain0.busy_idx = 2
   kernel.sched_domain.cpu1.domain0.cache_nice_tries = 1
   kernel.sched_domain.cpu1.domain0.flags = 559
   kernel.sched_domain.cpu1.domain0.forkexec_idx = 0
   kernel.sched_domain.cpu1.domain0.idle_idx = 0
   kernel.sched_domain.cpu1.domain0.imbalance_pct = 117
   kernel.sched_domain.cpu1.domain0.max_interval = 4
   kernel.sched_domain.cpu1.domain0.max_newidle_lb_cost = 11989
   kernel.sched_domain.cpu1.domain0.min_interval = 2
   kernel.sched_domain.cpu1.domain0.name = MC
   kernel.sched_domain.cpu1.domain0.newidle_idx = 0
   kernel.sched_domain.cpu1.domain0.wake_idx = 0
   kernel.sched_domain.cpu1.domain1.busy_factor = 32
   kernel.sched_domain.cpu1.domain1.busy_idx = 2
   kernel.sched_domain.cpu1.domain1.cache_nice_tries = 1
   kernel.sched_domain.cpu1.domain1.flags = 4143
   kernel.sched_domain.cpu1.domain1.forkexec_idx = 0
   kernel.sched_domain.cpu1.domain1.idle_idx = 1
   kernel.sched_domain.cpu1.domain1.imbalance_pct = 125
   kernel.sched_domain.cpu1.domain1.max_interval = 8
   kernel.sched_domain.cpu1.domain1.max_newidle_lb_cost = 8547
   kernel.sched_domain.cpu1.domain1.min_interval = 4
   kernel.sched_domain.cpu1.domain1.name = DIE
   kernel.sched_domain.cpu1.domain1.newidle_idx = 0
   kernel.sched_domain.cpu1.domain1.wake_idx = 0
   kernel.sched_domain.cpu2.domain0.busy_factor = 32
   kernel.sched_domain.cpu2.domain0.busy_idx = 2
   kernel.sched_domain.cpu2.domain0.cache_nice_tries = 1
   kernel.sched_domain.cpu2.domain0.flags = 559
   kernel.sched_domain.cpu2.domain0.forkexec_idx = 0
   kernel.sched_domain.cpu2.domain0.idle_idx = 0
   kernel.sched_domain.cpu2.domain0.imbalance_pct = 117
   kernel.sched_domain.cpu2.domain0.max_interval = 4
   kernel.sched_domain.cpu2.domain0.max_newidle_lb_cost = 17313
   kernel.sched_domain.cpu2.domain0.min_interval = 2
   kernel.sched_domain.cpu2.domain0.name = MC
   kernel.sched_domain.cpu2.domain0.newidle_idx = 0
   kernel.sched_domain.cpu2.domain0.wake_idx = 0
   kernel.sched_domain.cpu2.domain1.busy_factor = 32
   kernel.sched_domain.cpu2.domain1.busy_idx = 2
   kernel.sched_domain.cpu2.domain1.cache_nice_tries = 1
   kernel.sched_domain.cpu2.domain1.flags = 4143
   kernel.sched_domain.cpu2.domain1.forkexec_idx = 0
   kernel.sched_domain.cpu2.domain1.idle_idx = 1
   kernel.sched_domain.cpu2.domain1.imbalance_pct = 125
   kernel.sched_domain.cpu2.domain1.max_interval = 8
   kernel.sched_domain.cpu2.domain1.max_newidle_lb_cost = 8334
   kernel.sched_domain.cpu2.domain1.min_interval = 4
   kernel.sched_domain.cpu2.domain1.name = DIE
   kernel.sched_domain.cpu2.domain1.newidle_idx = 0
   kernel.sched_domain.cpu2.domain1.wake_idx = 0
   kernel.sched_domain.cpu3.domain0.busy_factor = 32
   kernel.sched_domain.cpu3.domain0.busy_idx = 2
   kernel.sched_domain.cpu3.domain0.cache_nice_tries = 1
   kernel.sched_domain.cpu3.domain0.flags = 559
   kernel.sched_domain.cpu3.domain0.forkexec_idx = 0
   kernel.sched_domain.cpu3.domain0.idle_idx = 0
   kernel.sched_domain.cpu3.domain0.imbalance_pct = 117
   kernel.sched_domain.cpu3.domain0.max_interval = 4
   kernel.sched_domain.cpu3.domain0.max_newidle_lb_cost = 18967
   kernel.sched_domain.cpu3.domain0.min_interval = 2
   kernel.sched_domain.cpu3.domain0.name = MC
   kernel.sched_domain.cpu3.domain0.newidle_idx = 0
   kernel.sched_domain.cpu3.domain0.wake_idx = 0
   kernel.sched_domain.cpu3.domain1.busy_factor = 32
   kernel.sched_domain.cpu3.domain1.busy_idx = 2
   kernel.sched_domain.cpu3.domain1.cache_nice_tries = 1
   kernel.sched_domain.cpu3.domain1.flags = 4143
   kernel.sched_domain.cpu3.domain1.forkexec_idx = 0
   kernel.sched_domain.cpu3.domain1.idle_idx = 1
   kernel.sched_domain.cpu3.domain1.imbalance_pct = 125
   kernel.sched_domain.cpu3.domain1.max_interval = 8
   kernel.sched_domain.cpu3.domain1.max_newidle_lb_cost = 8388
   kernel.sched_domain.cpu3.domain1.min_interval = 4
   kernel.sched_domain.cpu3.domain1.name = DIE
   kernel.sched_domain.cpu3.domain1.newidle_idx = 0
   kernel.sched_domain.cpu3.domain1.wake_idx = 0
   kernel.sched_latency_ns = 18000000
   kernel.sched_migration_cost_ns = 500000
   kernel.sched_min_granularity_ns = 10000000
   kernel.sched_nr_migrate = 32
   kernel.sched_rr_timeslice_ms = 100
   kernel.sched_rt_period_us = 1000000
   kernel.sched_rt_runtime_us = 950000
   kernel.sched_schedstats = 0
   kernel.sched_shares_window_ns = 10000000
   kernel.sched_time_avg_ms = 1000
   kernel.sched_tunable_scaling = 1
   kernel.sched_wakeup_granularity_ns = 15000000
   kernel.seccomp.actions_avail = kill trap errno trace allow
   kernel.seccomp.actions_logged = kill trap errno trace
   kernel.sem = 250	32000	32	128
   kernel.sem_next_id = -1
   kernel.shm_next_id = -1
   kernel.shm_rmid_forced = 0
   kernel.shmall = 4294967296
   kernel.shmmax = 68719476736
   kernel.shmmni = 4096
   kernel.softlockup_all_cpu_backtrace = 0
   kernel.softlockup_panic = 0
   kernel.stack_tracer_enabled = 0
   kernel.sysctl_writes_strict = 1
   kernel.sysrq = 0
   kernel.tainted = 536870912
   kernel.threads-max = 95930
   kernel.timer_migration = 1
   kernel.traceoff_on_warning = 0
   kernel.unknown_nmi_panic = 0
   kernel.usermodehelper.bset = 4294967295	31
   kernel.usermodehelper.inheritable = 4294967295	31
   kernel.version = #1 SMP Tue Jun 18 16:35:19 UTC 2019
   kernel.watchdog = 1
   kernel.watchdog_cpumask = 0-3
   kernel.watchdog_thresh = 10
   kernel.yama.ptrace_scope = 0
   net.bridge.bridge-nf-call-arptables = 1
   net.bridge.bridge-nf-call-ip6tables = 1
   net.bridge.bridge-nf-call-iptables = 1
   net.bridge.bridge-nf-filter-pppoe-tagged = 0
   net.bridge.bridge-nf-filter-vlan-tagged = 0
   net.bridge.bridge-nf-pass-vlan-input-dev = 0
   net.core.bpf_jit_enable = 1
   net.core.bpf_jit_harden = 1
   net.core.busy_poll = 0
   net.core.busy_read = 0
   net.core.default_qdisc = pfifo_fast
   net.core.dev_weight = 64
   net.core.dev_weight_rx_bias = 1
   net.core.dev_weight_tx_bias = 1
   net.core.message_burst = 10
   net.core.message_cost = 5
   net.core.netdev_budget = 300
   net.core.netdev_max_backlog = 262144
   net.core.netdev_rss_key = 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00
   net.core.netdev_tstamp_prequeue = 1
   net.core.optmem_max = 20480
   net.core.rmem_default = 8388608
   net.core.rmem_max = 16777216
   net.core.rps_sock_flow_entries = 0
   net.core.somaxconn = 128
   net.core.warnings = 1
   net.core.wmem_default = 8388608
   net.core.wmem_max = 16777216
   net.core.xfrm_acq_expires = 30
   net.core.xfrm_aevent_etime = 10
   net.core.xfrm_aevent_rseqth = 2
   net.core.xfrm_larval_drop = 1
   net.ipv4.cipso_cache_bucket_size = 10
   net.ipv4.cipso_cache_enable = 1
   net.ipv4.cipso_rbm_optfmt = 0
   net.ipv4.cipso_rbm_strictvalid = 1
   net.ipv4.conf.all.accept_local = 0
   net.ipv4.conf.all.accept_redirects = 0
   net.ipv4.conf.all.accept_source_route = 0
   net.ipv4.conf.all.arp_accept = 0
   net.ipv4.conf.all.arp_announce = 0
   net.ipv4.conf.all.arp_filter = 0
   net.ipv4.conf.all.arp_ignore = 0
   net.ipv4.conf.all.arp_notify = 0
   net.ipv4.conf.all.bootp_relay = 0
   net.ipv4.conf.all.disable_policy = 0
   net.ipv4.conf.all.disable_xfrm = 0
   net.ipv4.conf.all.force_igmp_version = 0
   net.ipv4.conf.all.forwarding = 0
   net.ipv4.conf.all.igmpv2_unsolicited_report_interval = 10000
   net.ipv4.conf.all.igmpv3_unsolicited_report_interval = 1000
   net.ipv4.conf.all.log_martians = 0
   net.ipv4.conf.all.mc_forwarding = 0
   net.ipv4.conf.all.medium_id = 0
   net.ipv4.conf.all.promote_secondaries = 1
   net.ipv4.conf.all.proxy_arp = 0
   net.ipv4.conf.all.proxy_arp_pvlan = 0
   net.ipv4.conf.all.route_localnet = 1
   net.ipv4.conf.all.rp_filter = 1
   net.ipv4.conf.all.secure_redirects = 0
   net.ipv4.conf.all.send_redirects = 0
   net.ipv4.conf.all.shared_media = 1
   net.ipv4.conf.all.src_valid_mark = 0
   net.ipv4.conf.all.tag = 0
   net.ipv4.conf.cni0.accept_local = 0
   net.ipv4.conf.cni0.accept_redirects = 1
   net.ipv4.conf.cni0.accept_source_route = 0
   net.ipv4.conf.cni0.arp_accept = 0
   net.ipv4.conf.cni0.arp_announce = 0
   net.ipv4.conf.cni0.arp_filter = 0
   net.ipv4.conf.cni0.arp_ignore = 0
   net.ipv4.conf.cni0.arp_notify = 0
   net.ipv4.conf.cni0.bootp_relay = 0
   net.ipv4.conf.cni0.disable_policy = 0
   net.ipv4.conf.cni0.disable_xfrm = 0
   net.ipv4.conf.cni0.force_igmp_version = 0
   net.ipv4.conf.cni0.forwarding = 0
   net.ipv4.conf.cni0.igmpv2_unsolicited_report_interval = 10000
   net.ipv4.conf.cni0.igmpv3_unsolicited_report_interval = 1000
   net.ipv4.conf.cni0.log_martians = 0
   net.ipv4.conf.cni0.mc_forwarding = 0
   net.ipv4.conf.cni0.medium_id = 0
   net.ipv4.conf.cni0.promote_secondaries = 1
   net.ipv4.conf.cni0.proxy_arp = 0
   net.ipv4.conf.cni0.proxy_arp_pvlan = 0
   net.ipv4.conf.cni0.route_localnet = 0
   net.ipv4.conf.cni0.rp_filter = 1
   net.ipv4.conf.cni0.secure_redirects = 1
   net.ipv4.conf.cni0.send_redirects = 1
   net.ipv4.conf.cni0.shared_media = 1
   net.ipv4.conf.cni0.src_valid_mark = 0
   net.ipv4.conf.cni0.tag = 0
   net.ipv4.conf.default.accept_local = 0
   net.ipv4.conf.default.accept_redirects = 0
   net.ipv4.conf.default.accept_source_route = 0
   net.ipv4.conf.default.arp_accept = 0
   net.ipv4.conf.default.arp_announce = 0
   net.ipv4.conf.default.arp_filter = 0
   net.ipv4.conf.default.arp_ignore = 0
   net.ipv4.conf.default.arp_notify = 0
   net.ipv4.conf.default.bootp_relay = 0
   net.ipv4.conf.default.disable_policy = 0
   net.ipv4.conf.default.disable_xfrm = 0
   net.ipv4.conf.default.force_igmp_version = 0
   net.ipv4.conf.default.forwarding = 0
   net.ipv4.conf.default.igmpv2_unsolicited_report_interval = 10000
   net.ipv4.conf.default.igmpv3_unsolicited_report_interval = 1000
   net.ipv4.conf.default.log_martians = 0
   net.ipv4.conf.default.mc_forwarding = 0
   net.ipv4.conf.default.medium_id = 0
   net.ipv4.conf.default.promote_secondaries = 1
   net.ipv4.conf.default.proxy_arp = 0
   net.ipv4.conf.default.proxy_arp_pvlan = 0
   net.ipv4.conf.default.route_localnet = 0
   net.ipv4.conf.default.rp_filter = 1
   net.ipv4.conf.default.secure_redirects = 0
   net.ipv4.conf.default.send_redirects = 0
   net.ipv4.conf.default.shared_media = 1
   net.ipv4.conf.default.src_valid_mark = 0
   net.ipv4.conf.default.tag = 0
   net.ipv4.conf.docker0.accept_local = 0
   net.ipv4.conf.docker0.accept_redirects = 1
   net.ipv4.conf.docker0.accept_source_route = 0
   net.ipv4.conf.docker0.arp_accept = 0
   net.ipv4.conf.docker0.arp_announce = 0
   net.ipv4.conf.docker0.arp_filter = 0
   net.ipv4.conf.docker0.arp_ignore = 0
   net.ipv4.conf.docker0.arp_notify = 0
   net.ipv4.conf.docker0.bootp_relay = 0
   net.ipv4.conf.docker0.disable_policy = 0
   net.ipv4.conf.docker0.disable_xfrm = 0
   net.ipv4.conf.docker0.force_igmp_version = 0
   net.ipv4.conf.docker0.forwarding = 0
   net.ipv4.conf.docker0.igmpv2_unsolicited_report_interval = 10000
   net.ipv4.conf.docker0.igmpv3_unsolicited_report_interval = 1000
   net.ipv4.conf.docker0.log_martians = 0
   net.ipv4.conf.docker0.mc_forwarding = 0
   net.ipv4.conf.docker0.medium_id = 0
   net.ipv4.conf.docker0.promote_secondaries = 1
   net.ipv4.conf.docker0.proxy_arp = 0
   net.ipv4.conf.docker0.proxy_arp_pvlan = 0
   net.ipv4.conf.docker0.route_localnet = 0
   net.ipv4.conf.docker0.rp_filter = 1
   net.ipv4.conf.docker0.secure_redirects = 1
   net.ipv4.conf.docker0.send_redirects = 1
   net.ipv4.conf.docker0.shared_media = 1
   net.ipv4.conf.docker0.src_valid_mark = 0
   net.ipv4.conf.docker0.tag = 0
   net.ipv4.conf.ens160.accept_local = 0
   net.ipv4.conf.ens160.accept_redirects = 1
   net.ipv4.conf.ens160.accept_source_route = 0
   net.ipv4.conf.ens160.arp_accept = 0
   net.ipv4.conf.ens160.arp_announce = 0
   net.ipv4.conf.ens160.arp_filter = 0
   net.ipv4.conf.ens160.arp_ignore = 0
   net.ipv4.conf.ens160.arp_notify = 0
   net.ipv4.conf.ens160.bootp_relay = 0
   net.ipv4.conf.ens160.disable_policy = 0
   net.ipv4.conf.ens160.disable_xfrm = 0
   net.ipv4.conf.ens160.force_igmp_version = 0
   net.ipv4.conf.ens160.forwarding = 0
   net.ipv4.conf.ens160.igmpv2_unsolicited_report_interval = 10000
   net.ipv4.conf.ens160.igmpv3_unsolicited_report_interval = 1000
   net.ipv4.conf.ens160.log_martians = 0
   net.ipv4.conf.ens160.mc_forwarding = 0
   net.ipv4.conf.ens160.medium_id = 0
   net.ipv4.conf.ens160.promote_secondaries = 1
   net.ipv4.conf.ens160.proxy_arp = 0
   net.ipv4.conf.ens160.proxy_arp_pvlan = 0
   net.ipv4.conf.ens160.route_localnet = 0
   net.ipv4.conf.ens160.rp_filter = 1
   net.ipv4.conf.ens160.secure_redirects = 1
   net.ipv4.conf.ens160.send_redirects = 1
   net.ipv4.conf.ens160.shared_media = 1
   net.ipv4.conf.ens160.src_valid_mark = 0
   net.ipv4.conf.ens160.tag = 0
   net.ipv4.conf.flannel/1.accept_local = 0
   net.ipv4.conf.flannel/1.accept_redirects = 1
   net.ipv4.conf.flannel/1.accept_source_route = 0
   net.ipv4.conf.flannel/1.arp_accept = 0
   net.ipv4.conf.flannel/1.arp_announce = 0
   net.ipv4.conf.flannel/1.arp_filter = 0
   net.ipv4.conf.flannel/1.arp_ignore = 0
   net.ipv4.conf.flannel/1.arp_notify = 0
   net.ipv4.conf.flannel/1.bootp_relay = 0
   net.ipv4.conf.flannel/1.disable_policy = 0
   net.ipv4.conf.flannel/1.disable_xfrm = 0
   net.ipv4.conf.flannel/1.force_igmp_version = 0
   net.ipv4.conf.flannel/1.forwarding = 0
   net.ipv4.conf.flannel/1.igmpv2_unsolicited_report_interval = 10000
   net.ipv4.conf.flannel/1.igmpv3_unsolicited_report_interval = 1000
   net.ipv4.conf.flannel/1.log_martians = 0
   net.ipv4.conf.flannel/1.mc_forwarding = 0
   net.ipv4.conf.flannel/1.medium_id = 0
   net.ipv4.conf.flannel/1.promote_secondaries = 1
   net.ipv4.conf.flannel/1.proxy_arp = 0
   net.ipv4.conf.flannel/1.proxy_arp_pvlan = 0
   net.ipv4.conf.flannel/1.route_localnet = 0
   net.ipv4.conf.flannel/1.rp_filter = 1
   net.ipv4.conf.flannel/1.secure_redirects = 1
   net.ipv4.conf.flannel/1.send_redirects = 1
   net.ipv4.conf.flannel/1.shared_media = 1
   net.ipv4.conf.flannel/1.src_valid_mark = 0
   net.ipv4.conf.flannel/1.tag = 0
   net.ipv4.conf.lo.accept_local = 0
   net.ipv4.conf.lo.accept_redirects = 1
   net.ipv4.conf.lo.accept_source_route = 1
   net.ipv4.conf.lo.arp_accept = 0
   net.ipv4.conf.lo.arp_announce = 0
   net.ipv4.conf.lo.arp_filter = 0
   net.ipv4.conf.lo.arp_ignore = 0
   net.ipv4.conf.lo.arp_notify = 0
   net.ipv4.conf.lo.bootp_relay = 0
   net.ipv4.conf.lo.disable_policy = 1
   net.ipv4.conf.lo.disable_xfrm = 1
   net.ipv4.conf.lo.force_igmp_version = 0
   net.ipv4.conf.lo.forwarding = 0
   net.ipv4.conf.lo.igmpv2_unsolicited_report_interval = 10000
   net.ipv4.conf.lo.igmpv3_unsolicited_report_interval = 1000
   net.ipv4.conf.lo.log_martians = 0
   net.ipv4.conf.lo.mc_forwarding = 0
   net.ipv4.conf.lo.medium_id = 0
   net.ipv4.conf.lo.promote_secondaries = 0
   net.ipv4.conf.lo.proxy_arp = 0
   net.ipv4.conf.lo.proxy_arp_pvlan = 0
   net.ipv4.conf.lo.route_localnet = 0
   net.ipv4.conf.lo.rp_filter = 0
   net.ipv4.conf.lo.secure_redirects = 1
   net.ipv4.conf.lo.send_redirects = 1
   net.ipv4.conf.lo.shared_media = 1
   net.ipv4.conf.lo.src_valid_mark = 0
   net.ipv4.conf.lo.tag = 0
   net.ipv4.fib_multipath_hash_policy = 0
   net.ipv4.fwmark_reflect = 0
   net.ipv4.icmp_echo_ignore_all = 0
   net.ipv4.icmp_echo_ignore_broadcasts = 1
   net.ipv4.icmp_errors_use_inbound_ifaddr = 0
   net.ipv4.icmp_ignore_bogus_error_responses = 1
   net.ipv4.icmp_msgs_burst = 50
   net.ipv4.icmp_msgs_per_sec = 1000
   net.ipv4.icmp_ratelimit = 1000
   net.ipv4.icmp_ratemask = 6168
   net.ipv4.igmp_max_memberships = 20
   net.ipv4.igmp_max_msf = 10
   net.ipv4.igmp_qrv = 2
   net.ipv4.inet_peer_maxttl = 600
   net.ipv4.inet_peer_minttl = 120
   net.ipv4.inet_peer_threshold = 65664
   net.ipv4.ip_default_ttl = 64
   net.ipv4.ip_dynaddr = 0
   net.ipv4.ip_early_demux = 1
   net.ipv4.ip_forward = 0
   net.ipv4.ip_forward_use_pmtu = 0
   net.ipv4.ip_local_port_range = 1024	65000
   net.ipv4.ip_local_reserved_ports = 
   net.ipv4.ip_no_pmtu_disc = 0
   net.ipv4.ip_nonlocal_bind = 0
   net.ipv4.ipfrag_high_thresh = 4194304
   net.ipv4.ipfrag_low_thresh = 3145728
   net.ipv4.ipfrag_max_dist = 64
   net.ipv4.ipfrag_secret_interval = 600
   net.ipv4.ipfrag_time = 30
   net.ipv4.neigh.cni0.anycast_delay = 100
   net.ipv4.neigh.cni0.app_solicit = 0
   net.ipv4.neigh.cni0.base_reachable_time_ms = 30000
   net.ipv4.neigh.cni0.delay_first_probe_time = 5
   net.ipv4.neigh.cni0.gc_stale_time = 60
   net.ipv4.neigh.cni0.locktime = 100
   net.ipv4.neigh.cni0.mcast_solicit = 3
   net.ipv4.neigh.cni0.proxy_delay = 80
   net.ipv4.neigh.cni0.proxy_qlen = 64
   net.ipv4.neigh.cni0.retrans_time_ms = 1000
   net.ipv4.neigh.cni0.ucast_solicit = 3
   net.ipv4.neigh.cni0.unres_qlen = 31
   net.ipv4.neigh.cni0.unres_qlen_bytes = 65536
   net.ipv4.neigh.default.anycast_delay = 100
   net.ipv4.neigh.default.app_solicit = 0
   net.ipv4.neigh.default.base_reachable_time_ms = 30000
   net.ipv4.neigh.default.delay_first_probe_time = 5
   net.ipv4.neigh.default.gc_interval = 30
   net.ipv4.neigh.default.gc_stale_time = 60
   net.ipv4.neigh.default.gc_thresh1 = 128
   net.ipv4.neigh.default.gc_thresh2 = 512
   net.ipv4.neigh.default.gc_thresh3 = 1024
   net.ipv4.neigh.default.locktime = 100
   net.ipv4.neigh.default.mcast_solicit = 3
   net.ipv4.neigh.default.proxy_delay = 80
   net.ipv4.neigh.default.proxy_qlen = 64
   net.ipv4.neigh.default.retrans_time_ms = 1000
   net.ipv4.neigh.default.ucast_solicit = 3
   net.ipv4.neigh.default.unres_qlen = 31
   net.ipv4.neigh.default.unres_qlen_bytes = 65536
   net.ipv4.neigh.docker0.anycast_delay = 100
   net.ipv4.neigh.docker0.app_solicit = 0
   net.ipv4.neigh.docker0.base_reachable_time_ms = 30000
   net.ipv4.neigh.docker0.delay_first_probe_time = 5
   net.ipv4.neigh.docker0.gc_stale_time = 60
   net.ipv4.neigh.docker0.locktime = 100
   net.ipv4.neigh.docker0.mcast_solicit = 3
   net.ipv4.neigh.docker0.proxy_delay = 80
   net.ipv4.neigh.docker0.proxy_qlen = 64
   net.ipv4.neigh.docker0.retrans_time_ms = 1000
   net.ipv4.neigh.docker0.ucast_solicit = 3
   net.ipv4.neigh.docker0.unres_qlen = 31
   net.ipv4.neigh.docker0.unres_qlen_bytes = 65536
   net.ipv4.neigh.ens160.anycast_delay = 100
   net.ipv4.neigh.ens160.app_solicit = 0
   net.ipv4.neigh.ens160.base_reachable_time_ms = 30000
   net.ipv4.neigh.ens160.delay_first_probe_time = 5
   net.ipv4.neigh.ens160.gc_stale_time = 60
   net.ipv4.neigh.ens160.locktime = 100
   net.ipv4.neigh.ens160.mcast_solicit = 3
   net.ipv4.neigh.ens160.proxy_delay = 80
   net.ipv4.neigh.ens160.proxy_qlen = 64
   net.ipv4.neigh.ens160.retrans_time_ms = 1000
   net.ipv4.neigh.ens160.ucast_solicit = 3
   net.ipv4.neigh.ens160.unres_qlen = 31
   net.ipv4.neigh.ens160.unres_qlen_bytes = 65536
   net.ipv4.neigh.flannel/1.anycast_delay = 100
   net.ipv4.neigh.flannel/1.app_solicit = 0
   net.ipv4.neigh.flannel/1.base_reachable_time_ms = 30000
   net.ipv4.neigh.flannel/1.delay_first_probe_time = 5
   net.ipv4.neigh.flannel/1.gc_stale_time = 60
   net.ipv4.neigh.flannel/1.locktime = 100
   net.ipv4.neigh.flannel/1.mcast_solicit = 3
   net.ipv4.neigh.flannel/1.proxy_delay = 80
   net.ipv4.neigh.flannel/1.proxy_qlen = 64
   net.ipv4.neigh.flannel/1.retrans_time_ms = 1000
   net.ipv4.neigh.flannel/1.ucast_solicit = 3
   net.ipv4.neigh.flannel/1.unres_qlen = 31
   net.ipv4.neigh.flannel/1.unres_qlen_bytes = 65536
   net.ipv4.neigh.lo.anycast_delay = 100
   net.ipv4.neigh.lo.app_solicit = 0
   net.ipv4.neigh.lo.base_reachable_time_ms = 30000
   net.ipv4.neigh.lo.delay_first_probe_time = 5
   net.ipv4.neigh.lo.gc_stale_time = 60
   net.ipv4.neigh.lo.locktime = 100
   net.ipv4.neigh.lo.mcast_solicit = 3
   net.ipv4.neigh.lo.proxy_delay = 80
   net.ipv4.neigh.lo.proxy_qlen = 64
   net.ipv4.neigh.lo.retrans_time_ms = 1000
   net.ipv4.neigh.lo.ucast_solicit = 3
   net.ipv4.neigh.lo.unres_qlen = 31
   net.ipv4.neigh.lo.unres_qlen_bytes = 65536
   net.ipv4.ping_group_range = 1	0
   net.ipv4.route.error_burst = 5000
   net.ipv4.route.error_cost = 1000
   net.ipv4.route.gc_elasticity = 8
   net.ipv4.route.gc_interval = 60
   net.ipv4.route.gc_min_interval = 0
   net.ipv4.route.gc_min_interval_ms = 500
   net.ipv4.route.gc_thresh = -1
   net.ipv4.route.gc_timeout = 300
   net.ipv4.route.max_size = 2147483647
   net.ipv4.route.min_adv_mss = 256
   net.ipv4.route.min_pmtu = 552
   net.ipv4.route.mtu_expires = 600
   net.ipv4.route.redirect_load = 20
   net.ipv4.route.redirect_number = 9
   net.ipv4.route.redirect_silence = 20480
   net.ipv4.tcp_abort_on_overflow = 0
   net.ipv4.tcp_adv_win_scale = 1
   net.ipv4.tcp_allowed_congestion_control = cubic reno
   net.ipv4.tcp_app_win = 31
   net.ipv4.tcp_autocorking = 1
   net.ipv4.tcp_available_congestion_control = cubic reno
   net.ipv4.tcp_base_mss = 512
   net.ipv4.tcp_challenge_ack_limit = 1000
   net.ipv4.tcp_congestion_control = cubic
   net.ipv4.tcp_dsack = 1
   net.ipv4.tcp_early_retrans = 3
   net.ipv4.tcp_ecn = 2
   net.ipv4.tcp_fack = 1
   net.ipv4.tcp_fastopen = 0
   net.ipv4.tcp_fastopen_key = 00000000-00000000-00000000-00000000
   net.ipv4.tcp_fin_timeout = 1
   net.ipv4.tcp_frto = 2
   net.ipv4.tcp_invalid_ratelimit = 500
   net.ipv4.tcp_keepalive_intvl = 75
   net.ipv4.tcp_keepalive_probes = 9
   net.ipv4.tcp_keepalive_time = 30
   net.ipv4.tcp_limit_output_bytes = 262144
   net.ipv4.tcp_low_latency = 0
   net.ipv4.tcp_max_orphans = 3276800
   net.ipv4.tcp_max_ssthresh = 0
   net.ipv4.tcp_max_syn_backlog = 262144
   net.ipv4.tcp_max_tw_buckets = 6000
   net.ipv4.tcp_mem = 94500000	915000000	927000000
   net.ipv4.tcp_min_snd_mss = 48
   net.ipv4.tcp_min_tso_segs = 2
   net.ipv4.tcp_moderate_rcvbuf = 1
   net.ipv4.tcp_mtu_probing = 0
   net.ipv4.tcp_no_metrics_save = 0
   net.ipv4.tcp_notsent_lowat = -1
   net.ipv4.tcp_orphan_retries = 0
   net.ipv4.tcp_reordering = 3
   net.ipv4.tcp_retrans_collapse = 1
   net.ipv4.tcp_retries1 = 3
   net.ipv4.tcp_retries2 = 15
   net.ipv4.tcp_rfc1337 = 0
   net.ipv4.tcp_rmem = 4096	87380	4194304
   net.ipv4.tcp_sack = 1
   net.ipv4.tcp_slow_start_after_idle = 1
   net.ipv4.tcp_stdurg = 0
   net.ipv4.tcp_syn_retries = 1
   net.ipv4.tcp_synack_retries = 1
   net.ipv4.tcp_syncookies = 1
   net.ipv4.tcp_thin_dupack = 0
   net.ipv4.tcp_thin_linear_timeouts = 0
   net.ipv4.tcp_timestamps = 0
   net.ipv4.tcp_tso_win_divisor = 3
   net.ipv4.tcp_tw_recycle = 1
   net.ipv4.tcp_tw_reuse = 1
   net.ipv4.tcp_window_scaling = 1
   net.ipv4.tcp_wmem = 4096	16384	4194304
   net.ipv4.tcp_workaround_signed_windows = 0
   net.ipv4.udp_mem = 287790	383721	575580
   net.ipv4.udp_rmem_min = 4096
   net.ipv4.udp_wmem_min = 4096
   net.ipv4.vs.am_droprate = 10
   net.ipv4.vs.amemthresh = 1024
   net.ipv4.vs.backup_only = 0
   net.ipv4.vs.cache_bypass = 0
   net.ipv4.vs.conn_reuse_mode = 1
   net.ipv4.vs.conntrack = 0
   net.ipv4.vs.drop_entry = 0
   net.ipv4.vs.drop_packet = 0
   net.ipv4.vs.expire_nodest_conn = 0
   net.ipv4.vs.expire_quiescent_template = 0
   net.ipv4.vs.nat_icmp_send = 0
   net.ipv4.vs.pmtu_disc = 1
   net.ipv4.vs.secure_tcp = 0
   net.ipv4.vs.snat_reroute = 1
   net.ipv4.vs.sync_ports = 1
   net.ipv4.vs.sync_qlen_max = 95324
   net.ipv4.vs.sync_refresh_period = 0
   net.ipv4.vs.sync_retries = 0
   net.ipv4.vs.sync_sock_size = 0
   net.ipv4.vs.sync_threshold = 3	50
   net.ipv4.vs.sync_version = 1
   net.ipv4.xfrm4_gc_thresh = 32768
   net.ipv6.anycast_src_echo_reply = 0
   net.ipv6.bindv6only = 0
   net.ipv6.conf.all.accept_dad = 0
   net.ipv6.conf.all.accept_ra = 1
   net.ipv6.conf.all.accept_ra_defrtr = 1
   net.ipv6.conf.all.accept_ra_pinfo = 1
   net.ipv6.conf.all.accept_ra_rt_info_max_plen = 0
   net.ipv6.conf.all.accept_ra_rtr_pref = 1
   net.ipv6.conf.all.accept_redirects = 1
   net.ipv6.conf.all.accept_source_route = 0
   net.ipv6.conf.all.autoconf = 1
   net.ipv6.conf.all.dad_transmits = 1
   net.ipv6.conf.all.disable_ipv6 = 1
   net.ipv6.conf.all.enhanced_dad = 1
   net.ipv6.conf.all.force_mld_version = 0
   net.ipv6.conf.all.force_tllao = 0
   net.ipv6.conf.all.forwarding = 0
   net.ipv6.conf.all.hop_limit = 64
   net.ipv6.conf.all.keep_addr_on_down = 0
   net.ipv6.conf.all.max_addresses = 16
   net.ipv6.conf.all.max_desync_factor = 600
   net.ipv6.conf.all.mc_forwarding = 0
   net.ipv6.conf.all.mldv1_unsolicited_report_interval = 10000
   net.ipv6.conf.all.mldv2_unsolicited_report_interval = 1000
   net.ipv6.conf.all.mtu = 1280
   net.ipv6.conf.all.ndisc_notify = 0
   net.ipv6.conf.all.optimistic_dad = 0
   net.ipv6.conf.all.proxy_ndp = 0
   net.ipv6.conf.all.regen_max_retry = 3
   net.ipv6.conf.all.router_probe_interval = 60
   net.ipv6.conf.all.router_solicitation_delay = 1
   net.ipv6.conf.all.router_solicitation_interval = 4
   net.ipv6.conf.all.router_solicitations = 3
   net.ipv6.conf.all.temp_prefered_lft = 86400
   net.ipv6.conf.all.temp_valid_lft = 604800
   net.ipv6.conf.all.use_optimistic = 0
   net.ipv6.conf.all.use_tempaddr = 0
   net.ipv6.conf.cni0.accept_dad = 1
   net.ipv6.conf.cni0.accept_ra = 1
   net.ipv6.conf.cni0.accept_ra_defrtr = 1
   net.ipv6.conf.cni0.accept_ra_pinfo = 1
   net.ipv6.conf.cni0.accept_ra_rt_info_max_plen = 0
   net.ipv6.conf.cni0.accept_ra_rtr_pref = 1
   net.ipv6.conf.cni0.accept_redirects = 1
   net.ipv6.conf.cni0.accept_source_route = 0
   net.ipv6.conf.cni0.autoconf = 1
   net.ipv6.conf.cni0.dad_transmits = 1
   net.ipv6.conf.cni0.disable_ipv6 = 1
   net.ipv6.conf.cni0.enhanced_dad = 1
   net.ipv6.conf.cni0.force_mld_version = 0
   net.ipv6.conf.cni0.force_tllao = 0
   net.ipv6.conf.cni0.forwarding = 0
   net.ipv6.conf.cni0.hop_limit = 64
   net.ipv6.conf.cni0.keep_addr_on_down = 0
   net.ipv6.conf.cni0.max_addresses = 16
   net.ipv6.conf.cni0.max_desync_factor = 600
   net.ipv6.conf.cni0.mc_forwarding = 0
   net.ipv6.conf.cni0.mldv1_unsolicited_report_interval = 10000
   net.ipv6.conf.cni0.mldv2_unsolicited_report_interval = 1000
   net.ipv6.conf.cni0.mtu = 1500
   net.ipv6.conf.cni0.ndisc_notify = 0
   net.ipv6.conf.cni0.optimistic_dad = 0
   net.ipv6.conf.cni0.proxy_ndp = 0
   net.ipv6.conf.cni0.regen_max_retry = 3
   net.ipv6.conf.cni0.router_probe_interval = 60
   net.ipv6.conf.cni0.router_solicitation_delay = 1
   net.ipv6.conf.cni0.router_solicitation_interval = 4
   net.ipv6.conf.cni0.router_solicitations = 3
   net.ipv6.conf.cni0.temp_prefered_lft = 86400
   net.ipv6.conf.cni0.temp_valid_lft = 604800
   net.ipv6.conf.cni0.use_optimistic = 0
   net.ipv6.conf.cni0.use_tempaddr = 0
   net.ipv6.conf.default.accept_dad = 1
   net.ipv6.conf.default.accept_ra = 1
   net.ipv6.conf.default.accept_ra_defrtr = 1
   net.ipv6.conf.default.accept_ra_pinfo = 1
   net.ipv6.conf.default.accept_ra_rt_info_max_plen = 0
   net.ipv6.conf.default.accept_ra_rtr_pref = 1
   net.ipv6.conf.default.accept_redirects = 1
   net.ipv6.conf.default.accept_source_route = 0
   net.ipv6.conf.default.autoconf = 1
   net.ipv6.conf.default.dad_transmits = 1
   net.ipv6.conf.default.disable_ipv6 = 1
   net.ipv6.conf.default.enhanced_dad = 1
   net.ipv6.conf.default.force_mld_version = 0
   net.ipv6.conf.default.force_tllao = 0
   net.ipv6.conf.default.forwarding = 0
   net.ipv6.conf.default.hop_limit = 64
   net.ipv6.conf.default.keep_addr_on_down = 0
   net.ipv6.conf.default.max_addresses = 16
   net.ipv6.conf.default.max_desync_factor = 600
   net.ipv6.conf.default.mc_forwarding = 0
   net.ipv6.conf.default.mldv1_unsolicited_report_interval = 10000
   net.ipv6.conf.default.mldv2_unsolicited_report_interval = 1000
   net.ipv6.conf.default.mtu = 1280
   net.ipv6.conf.default.ndisc_notify = 0
   net.ipv6.conf.default.optimistic_dad = 0
   net.ipv6.conf.default.proxy_ndp = 0
   net.ipv6.conf.default.regen_max_retry = 3
   net.ipv6.conf.default.router_probe_interval = 60
   net.ipv6.conf.default.router_solicitation_delay = 1
   net.ipv6.conf.default.router_solicitation_interval = 4
   net.ipv6.conf.default.router_solicitations = 3
   net.ipv6.conf.default.temp_prefered_lft = 86400
   net.ipv6.conf.default.temp_valid_lft = 604800
   net.ipv6.conf.default.use_optimistic = 0
   net.ipv6.conf.default.use_tempaddr = 0
   net.ipv6.conf.docker0.accept_dad = 1
   net.ipv6.conf.docker0.accept_ra = 1
   net.ipv6.conf.docker0.accept_ra_defrtr = 1
   net.ipv6.conf.docker0.accept_ra_pinfo = 1
   net.ipv6.conf.docker0.accept_ra_rt_info_max_plen = 0
   net.ipv6.conf.docker0.accept_ra_rtr_pref = 1
   net.ipv6.conf.docker0.accept_redirects = 1
   net.ipv6.conf.docker0.accept_source_route = 0
   net.ipv6.conf.docker0.autoconf = 1
   net.ipv6.conf.docker0.dad_transmits = 1
   net.ipv6.conf.docker0.disable_ipv6 = 1
   net.ipv6.conf.docker0.enhanced_dad = 1
   net.ipv6.conf.docker0.force_mld_version = 0
   net.ipv6.conf.docker0.force_tllao = 0
   net.ipv6.conf.docker0.forwarding = 0
   net.ipv6.conf.docker0.hop_limit = 64
   net.ipv6.conf.docker0.keep_addr_on_down = 0
   net.ipv6.conf.docker0.max_addresses = 16
   net.ipv6.conf.docker0.max_desync_factor = 600
   net.ipv6.conf.docker0.mc_forwarding = 0
   net.ipv6.conf.docker0.mldv1_unsolicited_report_interval = 10000
   net.ipv6.conf.docker0.mldv2_unsolicited_report_interval = 1000
   net.ipv6.conf.docker0.mtu = 1500
   net.ipv6.conf.docker0.ndisc_notify = 0
   net.ipv6.conf.docker0.optimistic_dad = 0
   net.ipv6.conf.docker0.proxy_ndp = 0
   net.ipv6.conf.docker0.regen_max_retry = 3
   net.ipv6.conf.docker0.router_probe_interval = 60
   net.ipv6.conf.docker0.router_solicitation_delay = 1
   net.ipv6.conf.docker0.router_solicitation_interval = 4
   net.ipv6.conf.docker0.router_solicitations = 3
   net.ipv6.conf.docker0.temp_prefered_lft = 86400
   net.ipv6.conf.docker0.temp_valid_lft = 604800
   net.ipv6.conf.docker0.use_optimistic = 0
   net.ipv6.conf.docker0.use_tempaddr = 0
   net.ipv6.conf.ens160.accept_dad = 1
   net.ipv6.conf.ens160.accept_ra = 1
   net.ipv6.conf.ens160.accept_ra_defrtr = 0
   net.ipv6.conf.ens160.accept_ra_pinfo = 0
   net.ipv6.conf.ens160.accept_ra_rt_info_max_plen = 0
   net.ipv6.conf.ens160.accept_ra_rtr_pref = 0
   net.ipv6.conf.ens160.accept_redirects = 1
   net.ipv6.conf.ens160.accept_source_route = 0
   net.ipv6.conf.ens160.autoconf = 1
   net.ipv6.conf.ens160.dad_transmits = 1
   net.ipv6.conf.ens160.disable_ipv6 = 1
   net.ipv6.conf.ens160.enhanced_dad = 1
   net.ipv6.conf.ens160.force_mld_version = 0
   net.ipv6.conf.ens160.force_tllao = 0
   net.ipv6.conf.ens160.forwarding = 0
   net.ipv6.conf.ens160.hop_limit = 64
   net.ipv6.conf.ens160.keep_addr_on_down = 0
   net.ipv6.conf.ens160.max_addresses = 16
   net.ipv6.conf.ens160.max_desync_factor = 600
   net.ipv6.conf.ens160.mc_forwarding = 0
   net.ipv6.conf.ens160.mldv1_unsolicited_report_interval = 10000
   net.ipv6.conf.ens160.mldv2_unsolicited_report_interval = 1000
   net.ipv6.conf.ens160.mtu = 1500
   net.ipv6.conf.ens160.ndisc_notify = 0
   net.ipv6.conf.ens160.optimistic_dad = 0
   net.ipv6.conf.ens160.proxy_ndp = 0
   net.ipv6.conf.ens160.regen_max_retry = 3
   net.ipv6.conf.ens160.router_probe_interval = 60
   net.ipv6.conf.ens160.router_solicitation_delay = 1
   net.ipv6.conf.ens160.router_solicitation_interval = 4
   net.ipv6.conf.ens160.router_solicitations = 3
   net.ipv6.conf.ens160.temp_prefered_lft = 86400
   net.ipv6.conf.ens160.temp_valid_lft = 604800
   net.ipv6.conf.ens160.use_optimistic = 0
   net.ipv6.conf.ens160.use_tempaddr = 0
   net.ipv6.conf.flannel/1.accept_dad = 1
   net.ipv6.conf.flannel/1.accept_ra = 1
   net.ipv6.conf.flannel/1.accept_ra_defrtr = 1
   net.ipv6.conf.flannel/1.accept_ra_pinfo = 1
   net.ipv6.conf.flannel/1.accept_ra_rt_info_max_plen = 0
   net.ipv6.conf.flannel/1.accept_ra_rtr_pref = 1
   net.ipv6.conf.flannel/1.accept_redirects = 1
   net.ipv6.conf.flannel/1.accept_source_route = 0
   net.ipv6.conf.flannel/1.autoconf = 1
   net.ipv6.conf.flannel/1.dad_transmits = 1
   net.ipv6.conf.flannel/1.disable_ipv6 = 1
   net.ipv6.conf.flannel/1.enhanced_dad = 1
   net.ipv6.conf.flannel/1.force_mld_version = 0
   net.ipv6.conf.flannel/1.force_tllao = 0
   net.ipv6.conf.flannel/1.forwarding = 0
   net.ipv6.conf.flannel/1.hop_limit = 64
   net.ipv6.conf.flannel/1.keep_addr_on_down = 0
   net.ipv6.conf.flannel/1.max_addresses = 16
   net.ipv6.conf.flannel/1.max_desync_factor = 600
   net.ipv6.conf.flannel/1.mc_forwarding = 0
   net.ipv6.conf.flannel/1.mldv1_unsolicited_report_interval = 10000
   net.ipv6.conf.flannel/1.mldv2_unsolicited_report_interval = 1000
   net.ipv6.conf.flannel/1.mtu = 1450
   net.ipv6.conf.flannel/1.ndisc_notify = 0
   net.ipv6.conf.flannel/1.optimistic_dad = 0
   net.ipv6.conf.flannel/1.proxy_ndp = 0
   net.ipv6.conf.flannel/1.regen_max_retry = 3
   net.ipv6.conf.flannel/1.router_probe_interval = 60
   net.ipv6.conf.flannel/1.router_solicitation_delay = 1
   net.ipv6.conf.flannel/1.router_solicitation_interval = 4
   net.ipv6.conf.flannel/1.router_solicitations = 3
   net.ipv6.conf.flannel/1.temp_prefered_lft = 86400
   net.ipv6.conf.flannel/1.temp_valid_lft = 604800
   net.ipv6.conf.flannel/1.use_optimistic = 0
   net.ipv6.conf.flannel/1.use_tempaddr = 0
   net.ipv6.conf.lo.accept_dad = -1
   net.ipv6.conf.lo.accept_ra = 1
   net.ipv6.conf.lo.accept_ra_defrtr = 1
   net.ipv6.conf.lo.accept_ra_pinfo = 1
   net.ipv6.conf.lo.accept_ra_rt_info_max_plen = 0
   net.ipv6.conf.lo.accept_ra_rtr_pref = 1
   net.ipv6.conf.lo.accept_redirects = 1
   net.ipv6.conf.lo.accept_source_route = 0
   net.ipv6.conf.lo.autoconf = 1
   net.ipv6.conf.lo.dad_transmits = 1
   net.ipv6.conf.lo.disable_ipv6 = 1
   net.ipv6.conf.lo.enhanced_dad = 1
   net.ipv6.conf.lo.force_mld_version = 0
   net.ipv6.conf.lo.force_tllao = 0
   net.ipv6.conf.lo.forwarding = 0
   net.ipv6.conf.lo.hop_limit = 64
   net.ipv6.conf.lo.keep_addr_on_down = 0
   net.ipv6.conf.lo.max_addresses = 16
   net.ipv6.conf.lo.max_desync_factor = 600
   net.ipv6.conf.lo.mc_forwarding = 0
   net.ipv6.conf.lo.mldv1_unsolicited_report_interval = 10000
   net.ipv6.conf.lo.mldv2_unsolicited_report_interval = 1000
   net.ipv6.conf.lo.mtu = 65536
   net.ipv6.conf.lo.ndisc_notify = 0
   net.ipv6.conf.lo.optimistic_dad = 0
   net.ipv6.conf.lo.proxy_ndp = 0
   net.ipv6.conf.lo.regen_max_retry = 3
   net.ipv6.conf.lo.router_probe_interval = 60
   net.ipv6.conf.lo.router_solicitation_delay = 1
   net.ipv6.conf.lo.router_solicitation_interval = 4
   net.ipv6.conf.lo.router_solicitations = 3
   net.ipv6.conf.lo.temp_prefered_lft = 86400
   net.ipv6.conf.lo.temp_valid_lft = 604800
   net.ipv6.conf.lo.use_optimistic = 0
   net.ipv6.conf.lo.use_tempaddr = -1
   net.ipv6.fwmark_reflect = 0
   net.ipv6.icmp.ratelimit = 1000
   net.ipv6.idgen_delay = 1
   net.ipv6.idgen_retries = 3
   net.ipv6.ip6frag_high_thresh = 4194304
   net.ipv6.ip6frag_low_thresh = 3145728
   net.ipv6.ip6frag_secret_interval = 600
   net.ipv6.ip6frag_time = 60
   net.ipv6.ip_nonlocal_bind = 0
   net.ipv6.mld_max_msf = 64
   net.ipv6.mld_qrv = 2
   net.ipv6.neigh.cni0.anycast_delay = 100
   net.ipv6.neigh.cni0.app_solicit = 0
   net.ipv6.neigh.cni0.base_reachable_time_ms = 30000
   net.ipv6.neigh.cni0.delay_first_probe_time = 5
   net.ipv6.neigh.cni0.gc_stale_time = 60
   net.ipv6.neigh.cni0.locktime = 0
   net.ipv6.neigh.cni0.mcast_solicit = 3
   net.ipv6.neigh.cni0.proxy_delay = 80
   net.ipv6.neigh.cni0.proxy_qlen = 64
   net.ipv6.neigh.cni0.retrans_time_ms = 1000
   net.ipv6.neigh.cni0.ucast_solicit = 3
   net.ipv6.neigh.cni0.unres_qlen = 31
   net.ipv6.neigh.cni0.unres_qlen_bytes = 65536
   net.ipv6.neigh.default.anycast_delay = 100
   net.ipv6.neigh.default.app_solicit = 0
   net.ipv6.neigh.default.base_reachable_time_ms = 30000
   net.ipv6.neigh.default.delay_first_probe_time = 5
   net.ipv6.neigh.default.gc_interval = 30
   net.ipv6.neigh.default.gc_stale_time = 60
   net.ipv6.neigh.default.gc_thresh1 = 128
   net.ipv6.neigh.default.gc_thresh2 = 512
   net.ipv6.neigh.default.gc_thresh3 = 1024
   net.ipv6.neigh.default.locktime = 0
   net.ipv6.neigh.default.mcast_solicit = 3
   net.ipv6.neigh.default.proxy_delay = 80
   net.ipv6.neigh.default.proxy_qlen = 64
   net.ipv6.neigh.default.retrans_time_ms = 1000
   net.ipv6.neigh.default.ucast_solicit = 3
   net.ipv6.neigh.default.unres_qlen = 31
   net.ipv6.neigh.default.unres_qlen_bytes = 65536
   net.ipv6.neigh.docker0.anycast_delay = 100
   net.ipv6.neigh.docker0.app_solicit = 0
   net.ipv6.neigh.docker0.base_reachable_time_ms = 30000
   net.ipv6.neigh.docker0.delay_first_probe_time = 5
   net.ipv6.neigh.docker0.gc_stale_time = 60
   net.ipv6.neigh.docker0.locktime = 0
   net.ipv6.neigh.docker0.mcast_solicit = 3
   net.ipv6.neigh.docker0.proxy_delay = 80
   net.ipv6.neigh.docker0.proxy_qlen = 64
   net.ipv6.neigh.docker0.retrans_time_ms = 1000
   net.ipv6.neigh.docker0.ucast_solicit = 3
   net.ipv6.neigh.docker0.unres_qlen = 31
   net.ipv6.neigh.docker0.unres_qlen_bytes = 65536
   net.ipv6.neigh.ens160.anycast_delay = 100
   net.ipv6.neigh.ens160.app_solicit = 0
   net.ipv6.neigh.ens160.base_reachable_time_ms = 30000
   net.ipv6.neigh.ens160.delay_first_probe_time = 5
   net.ipv6.neigh.ens160.gc_stale_time = 60
   net.ipv6.neigh.ens160.locktime = 0
   net.ipv6.neigh.ens160.mcast_solicit = 3
   net.ipv6.neigh.ens160.proxy_delay = 80
   net.ipv6.neigh.ens160.proxy_qlen = 64
   net.ipv6.neigh.ens160.retrans_time_ms = 1000
   net.ipv6.neigh.ens160.ucast_solicit = 3
   net.ipv6.neigh.ens160.unres_qlen = 31
   net.ipv6.neigh.ens160.unres_qlen_bytes = 65536
   net.ipv6.neigh.flannel/1.anycast_delay = 100
   net.ipv6.neigh.flannel/1.app_solicit = 0
   net.ipv6.neigh.flannel/1.base_reachable_time_ms = 30000
   net.ipv6.neigh.flannel/1.delay_first_probe_time = 5
   net.ipv6.neigh.flannel/1.gc_stale_time = 60
   net.ipv6.neigh.flannel/1.locktime = 0
   net.ipv6.neigh.flannel/1.mcast_solicit = 3
   net.ipv6.neigh.flannel/1.proxy_delay = 80
   net.ipv6.neigh.flannel/1.proxy_qlen = 64
   net.ipv6.neigh.flannel/1.retrans_time_ms = 1000
   net.ipv6.neigh.flannel/1.ucast_solicit = 3
   net.ipv6.neigh.flannel/1.unres_qlen = 31
   net.ipv6.neigh.flannel/1.unres_qlen_bytes = 65536
   net.ipv6.neigh.lo.anycast_delay = 100
   net.ipv6.neigh.lo.app_solicit = 0
   net.ipv6.neigh.lo.base_reachable_time_ms = 30000
   net.ipv6.neigh.lo.delay_first_probe_time = 5
   net.ipv6.neigh.lo.gc_stale_time = 60
   net.ipv6.neigh.lo.locktime = 0
   net.ipv6.neigh.lo.mcast_solicit = 3
   net.ipv6.neigh.lo.proxy_delay = 80
   net.ipv6.neigh.lo.proxy_qlen = 64
   net.ipv6.neigh.lo.retrans_time_ms = 1000
   net.ipv6.neigh.lo.ucast_solicit = 3
   net.ipv6.neigh.lo.unres_qlen = 31
   net.ipv6.neigh.lo.unres_qlen_bytes = 65536
   net.ipv6.route.gc_elasticity = 9
   net.ipv6.route.gc_interval = 30
   net.ipv6.route.gc_min_interval = 0
   net.ipv6.route.gc_min_interval_ms = 500
   net.ipv6.route.gc_thresh = 1024
   net.ipv6.route.gc_timeout = 60
   net.ipv6.route.max_size = 16384
   net.ipv6.route.min_adv_mss = 1220
   net.ipv6.route.mtu_expires = 600
   net.ipv6.xfrm6_gc_thresh = 32768
   net.netfilter.nf_conntrack_acct = 0
   net.netfilter.nf_conntrack_buckets = 65536
   net.netfilter.nf_conntrack_checksum = 1
   net.netfilter.nf_conntrack_count = 224
   net.netfilter.nf_conntrack_dccp_loose = 1
   net.netfilter.nf_conntrack_dccp_timeout_closereq = 64
   net.netfilter.nf_conntrack_dccp_timeout_closing = 64
   net.netfilter.nf_conntrack_dccp_timeout_open = 43200
   net.netfilter.nf_conntrack_dccp_timeout_partopen = 480
   net.netfilter.nf_conntrack_dccp_timeout_request = 240
   net.netfilter.nf_conntrack_dccp_timeout_respond = 480
   net.netfilter.nf_conntrack_dccp_timeout_timewait = 240
   net.netfilter.nf_conntrack_events = 1
   net.netfilter.nf_conntrack_events_retry_timeout = 15
   net.netfilter.nf_conntrack_expect_max = 1024
   net.netfilter.nf_conntrack_frag6_high_thresh = 4194304
   net.netfilter.nf_conntrack_frag6_low_thresh = 3145728
   net.netfilter.nf_conntrack_frag6_timeout = 60
   net.netfilter.nf_conntrack_generic_timeout = 600
   net.netfilter.nf_conntrack_helper = 1
   net.netfilter.nf_conntrack_icmp_timeout = 30
   net.netfilter.nf_conntrack_icmpv6_timeout = 30
   net.netfilter.nf_conntrack_log_invalid = 0
   net.netfilter.nf_conntrack_max = 655350
   net.netfilter.nf_conntrack_sctp_timeout_closed = 10
   net.netfilter.nf_conntrack_sctp_timeout_cookie_echoed = 3
   net.netfilter.nf_conntrack_sctp_timeout_cookie_wait = 3
   net.netfilter.nf_conntrack_sctp_timeout_established = 432000
   net.netfilter.nf_conntrack_sctp_timeout_heartbeat_acked = 210
   net.netfilter.nf_conntrack_sctp_timeout_heartbeat_sent = 30
   net.netfilter.nf_conntrack_sctp_timeout_shutdown_ack_sent = 3
   net.netfilter.nf_conntrack_sctp_timeout_shutdown_recd = 0
   net.netfilter.nf_conntrack_sctp_timeout_shutdown_sent = 0
   net.netfilter.nf_conntrack_tcp_be_liberal = 0
   net.netfilter.nf_conntrack_tcp_loose = 1
   net.netfilter.nf_conntrack_tcp_max_retrans = 3
   net.netfilter.nf_conntrack_tcp_timeout_close = 10
   net.netfilter.nf_conntrack_tcp_timeout_close_wait = 3600
   net.netfilter.nf_conntrack_tcp_timeout_established = 1200
   net.netfilter.nf_conntrack_tcp_timeout_fin_wait = 120
   net.netfilter.nf_conntrack_tcp_timeout_last_ack = 30
   net.netfilter.nf_conntrack_tcp_timeout_max_retrans = 300
   net.netfilter.nf_conntrack_tcp_timeout_syn_recv = 60
   net.netfilter.nf_conntrack_tcp_timeout_syn_sent = 120
   net.netfilter.nf_conntrack_tcp_timeout_time_wait = 120
   net.netfilter.nf_conntrack_tcp_timeout_unacknowledged = 300
   net.netfilter.nf_conntrack_timestamp = 0
   net.netfilter.nf_conntrack_udp_timeout = 30
   net.netfilter.nf_conntrack_udp_timeout_stream = 180
   net.netfilter.nf_log.0 = NONE
   net.netfilter.nf_log.1 = NONE
   net.netfilter.nf_log.10 = NONE
   net.netfilter.nf_log.11 = NONE
   net.netfilter.nf_log.12 = NONE
   net.netfilter.nf_log.2 = NONE
   net.netfilter.nf_log.3 = NONE
   net.netfilter.nf_log.4 = NONE
   net.netfilter.nf_log.5 = NONE
   net.netfilter.nf_log.6 = NONE
   net.netfilter.nf_log.7 = NONE
   net.netfilter.nf_log.8 = NONE
   net.netfilter.nf_log.9 = NONE
   net.netfilter.nf_log_all_netns = 0
   net.nf_conntrack_max = 655350
   net.unix.max_dgram_qlen = 512
   user.max_ipc_namespaces = 47965
   user.max_mnt_namespaces = 47965
   user.max_net_namespaces = 47965
   user.max_pid_namespaces = 47965
   user.max_user_namespaces = 0
   user.max_uts_namespaces = 47965
   vm.admin_reserve_kbytes = 8192
   vm.block_dump = 0
   vm.dirty_background_bytes = 0
   vm.dirty_background_ratio = 10
   vm.dirty_bytes = 0
   vm.dirty_expire_centisecs = 3000
   vm.dirty_ratio = 30
   vm.dirty_writeback_centisecs = 500
   vm.drop_caches = 0
   vm.extfrag_threshold = 500
   vm.hugepages_treat_as_movable = 0
   vm.hugetlb_shm_group = 0
   vm.laptop_mode = 0
   vm.legacy_va_layout = 0
   vm.lowmem_reserve_ratio = 256	256	32
   vm.max_map_count = 655360
   vm.memory_failure_early_kill = 0
   vm.memory_failure_recovery = 1
   vm.min_free_kbytes = 67584
   vm.min_slab_ratio = 5
   vm.min_unmapped_ratio = 1
   vm.mmap_min_addr = 4096
   vm.mmap_rnd_bits = 28
   vm.mmap_rnd_compat_bits = 8
   vm.nr_hugepages = 0
   vm.nr_hugepages_mempolicy = 0
   vm.nr_overcommit_hugepages = 0
   vm.nr_pdflush_threads = 0
   vm.numa_zonelist_order = default
   vm.oom_dump_tasks = 1
   vm.oom_kill_allocating_task = 0
   vm.overcommit_kbytes = 0
   vm.overcommit_memory = 1
   vm.overcommit_ratio = 50
   vm.page-cluster = 3
   vm.panic_on_oom = 0
   vm.percpu_pagelist_fraction = 0
   vm.stat_interval = 1
   vm.swappiness = 0
   vm.user_reserve_kbytes = 131072
   vm.vfs_cache_pressure = 100
   vm.zone_reclaim_mode = 0
   
   ___
   ### Requirement or improvement
   - Please describe about your requirements or improvement suggestions.

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